List of top Physics Questions asked in MHT CET

A combination of logic gates is as shown in the figure. P, Q, R and S are the inputs and X, Y and Z are outputs. When inputs P and R are "low" and Q and S are "high", the outputs X, Y and Z respectively are

When a.c. source is connected across a resistance, the correct phasor relation between the current (\(i_{R}\)) and emf (\(e_{R}\)) is shown in figure

Two capacitors of capacity \(C\) and \(C/3\) are connected to a battery of voltage \(V\) as shown. The work done in charging both the capacitors fully is

Thermodynamic change in the system from state \((P_{1},V_{1})\) to \((P_{2},V_{2})\) is shown in the figure. The work done by the system is

Two masses '\(m_{1}\)' and '\(m_{2}\)' (\(m_{1}>m_{2}\)) tied to a massless, inextensible string are hanging over a light frictionless pulley as shown. When the system is free to move, the acceleration of the masses is \(g/4\). The masses '\(m_{1}\)' and '\(m_{2}\)' are related as [\(g\) = acceleration due to gravity]

The acceleration (\(a\)) -time (\(t\)) graph for the body starting from rest is as shown in the figure. The maximum speed of the body is

In a Wheatstone's bridge, three resistance 'Q', 'R' and 'S' are connected in three arms and first arm is formed by three resistances '\(P_{1}\)', '\(P_{2}\)' and '\(P_{3}\)' in parallel. The condition for the bridge to be balanced is

The equivalent capacitance between 'P' and 'Q' is [A-area of each plate, d-separation between the plates, \(\epsilon _{0}\) -permittivity of free space]

A composite system of two uniform rods of same metal are shown in the figure. Lengths of rods are as shown in figure. The co-ordinates of the centre of mass of the system of rods are

The logic gate equivalent to given logic gate is

Which phasor diagram represents LCR circuit at resonance?

A simple pendulum having length \(l\) and mass 'm' is suspended between two plates having uniform electric field 'E' as shown in figure. The bob is given a charge \(q\). The time period 'T' of its vibration is

A container is filled with water (\(\mu =4/3\)) up to a height of 24 cm. A concave mirror is placed 10 cm above the water level, and the image (I) of an object placed at the bottom is formed 20 cm below the water level, as shown in Figure. The focal length of the mirror is nearly

Four infinitely large planar charged sheets are placed parallel to each other as shown in Figure 1. Find the magnitude of electric field at point P.

A gas is taken through a cycle \(A\rightarrow B\rightarrow C\rightarrow A\), as shown in the figure. The net work done by the gas is

An ideal fluid flows in a non-uniform cross-sectional tube AB as shown in the figure. If \(A_{1}\) and \(A_{2}\) is the area of cross-section and \(E_{1}\) and \(E_{2}\) is the kinetic energy per unit volume of the fluid at A and B, respectively, then the ratio \(E_{1}/E_{2}\) is

The moment of inertia of a uniform circular disc rotating about an axis perpendicular to the plane of the disc and passing through points O, A, B and C are \(I_{o}\), \(I_{A}\), \(I_{B}\) and \(I_{C}\) respectively, then

The output of the logic circuit shown in figure will be

The north pole of the magnet is brought near a metallic ring as shown in figure. The direction of induced current in the ring (if looked from upside) will be

In the following figure current I equal to

A parallel plate capacitor of area A, plate separation d and capacitance C is filled with four dielectric materials having dielectric constants \(k_{1}\), \(k_{2}\), \(k_{3}\) and \(k_{4}\) as shown in figure below. If a single dielectric material is to be used to have the same capacitance C in this capacitor, then its dielectric constants K is given by

The frequency of small oscillations of thin uniform vertical rod of mass \({}'m'\) and length \({}'l'\) hinged at point O with the help of two springs with spring constants \(k_{1}\) and \(k_{2}\), is

The graph shows variation of displacement of a particle performing SHM with time t. which of the following statements is correct from the graph?

The work done by an ideal gas during closed cycle \(1\rightarrow 2\rightarrow 3\rightarrow 4\rightarrow 1\) as shown in figure is

A cylindrical vessel containing a liquid of density \(\rho\) is closed by a smooth piston of mass \(m\) as shown. If atmospheric pressure is \(P_{0}\), radius of cylinder is '\(r\)' and height of liquid is '\(h\)', then the force at the bottom of the cylinder is